Git hooks

commit-msg

#!/usr/bin/python3

import sys
import re


def print_error(msg):
    print("\033[91m" + "[error] " + "\033[0m" + msg, file=sys.stderr)


def find_tickets_in_commit(commit_msg_file_path):
    match = []
    with open(commit_msg_file_path, 'r') as content_file:
        for line in content_file:
            if "# ------------------------ >8 ------------------------" in line: break
            if line.startswith('#'): continue
            match = match + re.findall(r'(?![a-z])([A-Z]+-\d+)(?!\w)', line)
    
    return match


def unique(list):
    unique_list = []
    for element in list:
        if element not in unique_list:
            unique_list.append(element)

    return unique_list


def verify_commit(commit_msg_file):
    tickets = unique(find_tickets_in_commit(commit_msg_file))
    if len(tickets) == 0:
        result = False
        print_error("You are not allowed to commit without a ticket number")
    elif len(tickets) > 1:
        result = False
        print_error("The commit message must contain only 1 ticket number")
    else:
        result = True
    return result


# Collect the parameters
commit_msg_file_arg = sys.argv[1]
if verify_commit(commit_msg_file_arg):
    sys.exit(0)
else:
    sys.exit(1)